PC-Based Data Acquisition Unit

PC-Based Data Acquisition Unit A PC-based data acquisition system for the future, delivering unparalleled performance. When combined with Yokogawa's p...
Author: Albert Welch
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PC-Based Data Acquisition Unit A PC-based data acquisition system for the future, delivering unparalleled performance. When combined with Yokogawa's proprietary PC software, the MX100's high speed, multi channel capability, and high withstand voltage offers the ultimate in measurement power.

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Bulletin 04M08B01-00E

MX100 is a data acquisition unit designed to operate as a front end for PCs. Data measured by MX100 is transferred to PCs in real-time. Connection between a single MX unit and a single PC (measurement of 24 channels/10 ms or 60 channels/100 ms) One MX unit enables data acquisition on up to 24 channels at a measurement interval of 10 ms or up to 60 channels at a measurement interval of 100 ms (six modules installed in both cases).

Measured data

The MX and PC are connected via a hub and a straight Ethernet cable. Alternatively, they can be connected using a cross cable alone, without using the hub.

HUB Straight cable 100Base-TX

Input signal: DC voltage Thermocouple RTD Digital input (Mixed input possible)

In a one-to-one connection, the MX100 standard software included with the main module facilitates easy building of data acquisition environments.

Output signal: Digital output

One MX unit consists of a combination of a main module, input/output modules, and a base plate. This configuration centers on the main module. For details, refer to pages 4 and 5.

Connection between multiple MX units and a single PC (for measurement of up to 1,200 channels and the use of MXLOGGER) Example of a system with multiple MX units: HUB Straight cable 100Base-TX

The MX units and the PC are connected by means of a hub and straight Ethernet cables.

Acquisition of data from multiple MX units is wellsupported by Yokogawa’s software “MXLOGGER” (optional). MXLOGGER enables data acquisitions of up to 20 MX units (one unit has inputs of up to 60 channels, or 1,200 channels on 20 units).

Maximum Performance..... ■ High-Speed, Multi-Channel Capability, High withstand Voltage • Shortest measurement interval of 10 ms (high-speed measurement of 10 ms on 24 channels or 100 ms on 60 channels is possible). • Possible to acquire data from up to 1,200 channels (when using Yokogawa's proprietary software). • Reinforced insulation between the input terminal and the case handles 3700 Vrms for one minute, or 600 Vrms/VDC continuous.

■ Multi-Interval Measurement • Mixed use of three types of measurement intervals is enabled within the system (measurement intervals are set for each module).

Please note that the shortest measurement interval of MXLOGGER depends on the system's total number of channels and the PC's performance. For guidelines on measurement intervals and the number of channels, please refer to page 6.

• • •

If users wish to create their own data acquisition software, there is no limit to the number of MX units that can be integrated with a single PC software element. Please note, however, that if conditions with heavy loads (such as short measurement intervals with many units) are set to the PC and its software, data will not be acquired in time and some data may be lost.

Ease of Use..... ■ Flexible System Configuration By configuring modules, a system can be built or modified to utilize 4 to 1,200 channels, and measurement intervals of 10 ms to 60 s.

■ Versatile PC-Based Software Options Software developed by Yokogawa, an API, and a LabVIEW driver are available.

■ Easy Software Setup PC software developed by Yokogawa automatically identifies any connected MX100s.

Up to 20 units

■ No Re-Wiring between Measurements A removable terminal unit is available. 2

3

MX100 is a data acquisition unit designed to operate as a front end for PCs. Data measured by MX100 is transferred to PCs in real-time. Connection between a single MX unit and a single PC (measurement of 24 channels/10 ms or 60 channels/100 ms) One MX unit enables data acquisition on up to 24 channels at a measurement interval of 10 ms or up to 60 channels at a measurement interval of 100 ms (six modules installed in both cases).

Measured data

The MX and PC are connected via a hub and a straight Ethernet cable. Alternatively, they can be connected using a cross cable alone, without using the hub.

HUB Straight cable 100Base-TX

Input signal: DC voltage Thermocouple RTD Digital input (Mixed input possible)

In a one-to-one connection, the MX100 standard software included with the main module facilitates easy building of data acquisition environments.

Output signal: Digital output

One MX unit consists of a combination of a main module, input/output modules, and a base plate. This configuration centers on the main module. For details, refer to pages 4 and 5.

Connection between multiple MX units and a single PC (for measurement of up to 1,200 channels and the use of MXLOGGER) Example of a system with multiple MX units: HUB Straight cable 100Base-TX

The MX units and the PC are connected by means of a hub and straight Ethernet cables.

Acquisition of data from multiple MX units is wellsupported by Yokogawa’s software “MXLOGGER” (optional). MXLOGGER enables data acquisitions of up to 20 MX units (one unit has inputs of up to 60 channels, or 1,200 channels on 20 units).

Maximum Performance..... ■ High-Speed, Multi-Channel Capability, High withstand Voltage • Shortest measurement interval of 10 ms (high-speed measurement of 10 ms on 24 channels or 100 ms on 60 channels is possible). • Possible to acquire data from up to 1,200 channels (when using Yokogawa's proprietary software). • Reinforced insulation between the input terminal and the case handles 3700 Vrms for one minute, or 600 Vrms/VDC continuous.

■ Multi-Interval Measurement • Mixed use of three types of measurement intervals is enabled within the system (measurement intervals are set for each module).

Please note that the shortest measurement interval of MXLOGGER depends on the system's total number of channels and the PC's performance. For guidelines on measurement intervals and the number of channels, please refer to page 6.

• • •

If users wish to create their own data acquisition software, there is no limit to the number of MX units that can be integrated with a single PC software element. Please note, however, that if conditions with heavy loads (such as short measurement intervals with many units) are set to the PC and its software, data will not be acquired in time and some data may be lost.

Ease of Use..... ■ Flexible System Configuration By configuring modules, a system can be built or modified to utilize 4 to 1,200 channels, and measurement intervals of 10 ms to 60 s.

■ Versatile PC-Based Software Options Software developed by Yokogawa, an API, and a LabVIEW driver are available.

■ Easy Software Setup PC software developed by Yokogawa automatically identifies any connected MX100s.

Up to 20 units

■ No Re-Wiring between Measurements A removable terminal unit is available. 2

3

The MX is designed to enable desired measurement environments by combining three elements: the main module, input/output modules, and a base plate. The assembled unit can be utilized on the desktop as-is (the modules have legs). Please note that DIN rails are used for rack-mounting.

Base Plate

Input/Output Module Main Module

Main Module (MX100) The main module is the engine that controls data acquisition. It is equipped with a power supply, an Ethernet port, and a CompactFlash card slot. One main module can accommodate up to six input/output modules. The user can choose up to six moduels of any type. Ethernet Port: For communication with the PC. Automatic recognition of 100Base-TX or 10Base-T

Data Backup Time by CF Card Size (Note: Minutes/hours/days are approximate.) Number of saved channels

10 channels

CF (CompactFlash) Card Slot: With the CF Card, measured data is saved to the card if communication with the PC is interrupted. Since the card provides data backup, you do not have to worry about the possible loss of data even if the MX is configured for PC-based measurement.

24 channels

60 channels

Measurement interval

32 M

128 M

512 M

10 ms 100 ms 500 ms 2s 10 ms 100 ms 500 ms 2s 10 ms 100 ms 500 ms 2s

2 hours 21 hours 4.5 days 18 days 54 minutes 9 hours 45 hours 7.5 days 18 minutes 3.5 hours 18 hours 3 days

9 hours 3.5 days 18.5 days 75.5 days 3.5 hours 37 hours 7.5 days 31.5 days 75 minutes 15 hours 3 days 12.5 days

36 hours 15 days 75.5 days 303 days 15 hours 6 days 31.5 days 126 days 5 hours 2.5 days 12.5 days 50 days

Input/Output Modules (MX110, MX115, MX125) ■ Four-Channel High-Speed Universal Input Module MX110-UNV-H04 Note: All I/O modules are fitted with a swing-up terminal cover.

MX110-UNV-M10

Shortest measurement interval: 10 ms; Maximum number of input channels: 4 channels; Mixed input of DC voltage, thermocouple, RTD, and digital input: possible. Please note that the shortest measurement interval for temperature is 50 ms for this module.

Shortest measurement interval: 100 ms; Maximum number of input channels: 10 channels; Mixed input of DC voltage, thermocouple, RTD, and digital input: possible

■ Ten-Channel High-Speed Digital Input Module

■ Ten-Channel Medium-Speed Digital Output Module

MX115-D05-H10 If a single unit consists of this module only, measurement of 60 channels/10 ms is possible. Most suitable for measurement of digital input signals at many points inexpensively. Shortest measurement interval: 10 ms; Maximum number of input channels: 10 channels; Digital input dedicated module.

4

■ Ten-Channel Medium-Speed Universal Input Module

MX125-MKC-M10

For use of alarm outputs, etc. Shortest output interval: 100 ms; Maximum number of output channels: 10 channels; Digital output dedicated module.

Base Plate (MX150) The main module and input/output modules are connected by means of connectors on a base plate. For one input/output module through

Although the position for the main module is fixed, input/output modules can be configured in any position using the module connectors. One to six modules can be used.

○ ○ ○

six input/output modules



Connector covers (772066) are available for vacant slots.

Modules and Terminals All input terminals can be attached/detached. If the user provides multiple terminals, there is no need to perform rewiring every time measurement is carried out. ■ Four-Channel High-Speed ■ Ten-Channel Medium-Speed Universal ■ Ten-Channel Medium-Speed Universal Input Module Input Module Digital Output Module MX110-UNV-H04 MX110-UNV-M10 MX125-MKC-M10 ■ Ten-Channel High-Speed Digital Input Module MX115-D05-H10 Plate with clamp terminals (with RJC)(772063) MX115-D05-H10’s plate with clamp terminals does not have RJC. RJC: Reference Junction Compensation

Clamp terminal (772064)

Each terminal can be attached/detached.

Clamp terminal (772065)

Each plate with terminals can be attached/detached.

Each terminal can be attached/detached.

A separate screw terminal block is available for the MX110-UNV-M10 Ten-Channel Medium-Speed Universal Input Module and the MX115-D05-H10 Ten-Channel High-Speed Digital Input Module. Connection Cable (772062) between input modules and the screw terminal block

Detach the plate with clamp terminals from the MX110-UNVM10 or MX115-D05-H10. Then, use the connection cable (772062) to connect the input module without the plate to the screw terminal block (772061).

Screw Terminal Block (772061)

The screw terminal block is installed.

The option code /NC can be added to the MX110-UNV-M10 and MX115-D05-H10 to indicate whether or not the plate with clamp terminals is included at the time of delivery. If the user requires only the screw terminal block and not the clamp terminals, please specify either MX110-UNV-M10/NC or MX115-D05-H10/NC.

Use the DIN rail for mounting on racks or panels. The DIN rail can be easily attached using the dedicated bracket. Two brackets come standard with the base plate (MX150). Bracket for mounting the DIN rail

5

High-Speed, Multi-Channel Capability The table below provides reference information on the maximum number of measurable channels in relevant measurement intervals (when using Yokogawa's proprietary software):

PC Software Measurement interval

Maximum number of measurable channels

10 ms

24 channels

50 ms

24 channels

50 ms

120 channels

100 ms

Number of Necessary Modules (example)

MX100 Standard Software

MXLOGGER

Main Module (MX100)

DCV/DI





1

6

-

DCV/TC/RTD/DI





1

6

-

DCV/TC/RTD/DI

-



5

30

-

60 channels

DCV/TC/RTD/DI





1

0

6

100 ms

300 channels

DCV/TC/RTD/DI

-



5

0

30

200 ms

500 channels

DCV/TC/RTD/DI

-



9

0

50

500 ms

600 channels

DCV/TC/RTD/DI

-



10

0

60

1000 ms

1200 channels

DCV/TC/RTD/DI

-



20

0

120

Measurable objects

Four-Channel High-Speed Ten-Channel Medium-Speed Universal Input Module Universal Input Module (MX110-UNV-H04) (MX110-UNV-M10)

√ measurement that support is possible - measurement that support is not possible.

The relationship between measurement intervals and the number of channels largely depends on the performance of the PC. The actual performance may differ from that shown in the table. CPU: Pentium 4 3.2 GHz; Memory: 1 GB; OS: Windows 2000; Hard disk: 160 GB; Communication interface: Ethernet 100Base-TX

Multi-Interval Measurement Three types of measurement intervals can be used in a single system in various combinations. Measurement intervals are specified for each module. It is also possible to set different types of input modules to the same measurement interval or to set the same type of input modules to different measurement intervals. Twelve measurement intervals are available as userselectable options: 10 ms, 50 ms, 100 ms, 200 ms, 500 ms, 1 s, 2 s, 5 s, 10 s, 20 s, 30 s and 60 s. Please note, however, that measurement intervals of 10/50 ms cannot be set to the Medium-speed Universal Input Module (MX110-UNV-M10).